// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

class GroundArea implements Hashable {
  GroundArea(this.frictionModifier, this.outOfCourse)
      : _hash = _lastHash++;

  // Hashable implementation.
  int hashCode() => _hash;

  final double frictionModifier;
  final bool outOfCourse;
  final int _hash;

  static int _lastHash = 0;
}
